Wired magazine has an interesting pair of articles discussing the weapons that might be effective in case of a real Cloverfield monster attack.
Wired.com: How To: Stop A 500-Foot Monster
Wired.com: How To: Stop A 500-Foot Monster, Continued
PS. They have changed the release date of the next Cloverfield Manga from "Late February" to "Early March". I'll let you know as soon I see something!